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The Production of Teaching Aids for Angular MomentumDemonstration and Its Teaching Research
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QIU Peizhen ,HUANG Jiayi , GE Jinyi ,LI Xinyi ,CHEN Jialu
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Abstract
Angular momentum and the law of angular momentum are key and diffieult points in college physicsteaching. lt introduces a self-made portable angular momentum demonstration instrument that integratesqualitative demonstration of the vectorization of angular momentum , qualitative demonstration and quantitativeverilication of the law of angular momentum conservation, and explores its application in classroom teachingThis teaching aid mainly consists of rotating dises ,ball piercing dises ,electric motors , variable speed controllersand other parts. The overall structure of teaching aids is compact, easy to carry and operate, and thephenomenon is very obvious.lt can visualize the vectorization of angular momentum and the law of angulalmomentum conservation , which is conducive to breaking through the teaching difficulties of concepts and lawsrelated to angular momentum and achieving efficient classroom generation.
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Published: 25 June 2024
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